<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Hello World</title>
    <link rel="stylesheet" href="assets/css/index.css"/>
</head>
<body>
<div class="box"></div>
<div class="box2"></div>
<div class="box3"></div>
<div class="box4"></div>
</body>
</html>